:root {
      /* ─── Surface (3 levels) ─────────────────────────────────────────
       * Parchment (bg) → Ivory (surface) → Warm Sand (surface-warm).
       * Never use pure white as a page background — the warm cream IS
       * the Claude personality. */
      --bg: #f5f4ed;
      --surface: #faf9f5;
      --surface-warm: #e8e6dc;   /* Warm Sand — button bg, prominent interactive surfaces */

      /* ─── Foreground ramp (4 levels) ────────────────────────────────
       * Every gray carries a yellow-brown undertone. No cool blue-grays. */
      --fg: #141413;             /* Anthropic Near Black — warmest "black" in any major tech brand */
      --fg-2: #3d3d3a;           /* Dark Warm — dark text links, emphasized secondary text */
      --muted: #5e5d59;          /* Olive Gray — secondary body text */
      --meta: #87867f;           /* Stone Gray — tertiary text, footnotes, metadata */

      /* ─── Border (2 levels) ──────────────────────────────────────────
       * Cream-tinted borders — the gentlest possible containment. */
      --border: #f0eee6;         /* Border Cream — standard light-theme border */
      --border-soft: #e8e6dc;    /* Border Warm — section dividers, emphasized containment */

      /* ─── Accent ──────────────────────────────────────────────────────
       * Terracotta Brand — the only chromatic element on most screens.
       * Used for primary CTA buttons and highest-signal brand moments only. */
      --accent: #c96442;
      --accent-on: #faf9f5;      /* Ivory — fg when terracotta is the bg */
      --accent-hover: color-mix(in oklab, var(--accent), black 8%);
      --accent-active: color-mix(in oklab, var(--accent), black 14%);

      /* ─── Semantic ────────────────────────────────────────────────────
       * Error Crimson is a warm, deep red — serious without alarming.
       * Focus Blue (#3898ec) is the sole cool color in the system,
       * reserved for accessibility (input focus rings). */
      --success: #17a34a;
      --warn: #eab308;
      --danger: #b53333;         /* Error Crimson — warm red, not standard danger red */

      /* ─── Typography ────────────────────────────────────────────────── */
      --font-display: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
      --font-body: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
      --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, ui-monospace, Menlo, monospace;

      /* Type scale — DESIGN.md §3 Typography Rules.
       * 64px hero → 52px section → 36px sub → 32px card → 25px small */
      --text-xs: 10px;           /* Overline — uppercase labels at smallest scale */
      --text-sm: 14px;           /* Caption — metadata, descriptions */
      --text-base: 16px;         /* Body Standard */
      --text-lg: 20px;           /* Body Large — intro paragraphs */
      --text-xl: 25px;           /* Sub-heading Small */
      --text-2xl: 32px;          /* Sub-heading — card titles, feature names */
      --text-3xl: 52px;          /* Section Heading */
      --text-4xl: 64px;          /* Display / Hero — maximum impact, book-title presence */

      --leading-body: 1.6;       /* Relaxed — closer to a book than a dashboard */
      --leading-tight: 1.1;      /* Tight headings — serif letterforms breathe naturally */
      --tracking-display: -0.025em;

      /* ─── Spacing ─────────────────────────────────────────────────────
       * 8px base unit per DESIGN.md §5. Card internal padding ~24–32px. */
      --space-1: 4px;
      --space-2: 8px;
      --space-3: 12px;
      --space-4: 16px;
      --space-5: 20px;
      --space-6: 24px;
      --space-8: 32px;
      --space-12: 48px;

      --section-y-desktop: 96px; /* Editorial pacing — generous like a magazine spread */
      --section-y-tablet: 64px;
      --section-y-phone: 48px;

      /* ─── Radius ──────────────────────────────────────────────────────
       * Claude's softness: comfortably rounded (8px) for standard,
       * generously rounded (12px) for primary, very rounded (16px) for
       * featured containers. No sharp corners — softness is core identity. */
      --radius-sm: 8px;          /* Comfortably rounded — standard buttons, cards */
      --radius-md: 12px;         /* Generously rounded — primary buttons, inputs, nav */
      --radius-lg: 16px;         /* Very rounded — featured containers, video players */
      --radius-pill: 9999px;     /* Chip-like elements (use sparingly) */

      /* ─── Elevation ───────────────────────────────────────────────────
       * Ring shadows (0px 0px 0px 1px) instead of drop shadows.
       * The signature is a border-like halo — shadow pretending to be
       * a border. Drop shadows only at 0.05 opacity when truly needed. */
      --elev-flat: none;
      --elev-ring: 0 0 0 1px var(--border);          /* Border-like halo */
      --elev-raised: rgba(0, 0, 0, 0.05) 0px 4px 24px; /* Whisper soft — barely visible lift */

      /* ─── Focus ring ──────────────────────────────────────────────────
       * Focus Blue (#3898ec) is the ONLY cool color in the Claude system.
       * Reserved exclusively for accessibility / keyboard focus. */
      --focus-ring: 0 0 0 3px rgba(56, 152, 236, 0.3);

      /* ─── Motion ──────────────────────────────────────────────────────
       * Short, purposeful transitions. The editorial warmth doesn't need
       * animation energy — interactions should feel calm. */
      --motion-fast: 150ms;
      --motion-base: 200ms;
      --ease-standard: cubic-bezier(0.2, 0, 0, 1);

      /* ─── Layout ──────────────────────────────────────────────────────
       * 1200px container, editorial layout. Hero is centered, feature
       * sections use 2–3 column card grids. */
      --container-max: 1200px;
      --container-gutter-desktop: 24px;
      --container-gutter-tablet: 16px;
      --container-gutter-phone: 12px;
      --recommendation-card-min: 340px;
      --recommendation-card-max: 370px;
      --recommendation-grid-max: 1142px;
      --page-gutter: clamp(128px, 8vw, 160px);
    }

    @media (min-width: 1784px) {
      :root { --recommendation-grid-max: 1528px; }
    }

    @media (min-width: 2234px) {
      :root { --recommendation-grid-max: 1914px; }
    }

    * { box-sizing: border-box; }
    html { min-width: 0; background: var(--bg); }
    body { margin: 0; color: var(--fg); background: var(--bg); font-family: var(--font-body); line-height: var(--leading-body); }
    button, input, textarea, select { font: inherit; }
    button { cursor: pointer; }
    button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: none; box-shadow: var(--focus-ring); }
    a { color: inherit; text-decoration: none; }
    .app-shell { min-height: 100vh; overflow-x: clip; }
    .topbar { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: minmax(220px, 1fr) minmax(280px, 560px) auto; align-items: center; gap: var(--space-4); padding: var(--space-4) clamp(var(--space-4), 3vw, var(--space-8)); background: color-mix(in oklab, var(--bg), transparent 6%); border-bottom: 1px solid var(--border-soft); backdrop-filter: blur(18px); }
    .top-left { display: flex; align-items: center; gap: var(--space-4); min-width: 0; justify-self: start; }
    .brand { display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
    .brand-copy { display: grid; gap: 3px; min-width: 0; }
    .brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: var(--radius-md); background: var(--fg); color: var(--surface); box-shadow: var(--elev-ring); font-family: var(--font-display); font-size: var(--text-xl); }
    .brand-title { display: block; font-family: var(--font-display); font-size: var(--text-xl); line-height: 1; font-weight: 700; letter-spacing: -0.03em; white-space: nowrap; }
    .brand-sub { display: block; color: var(--muted); font-size: var(--text-sm); line-height: 1.2; white-space: nowrap; }
    .search { width: min(100%, 560px); justify-self: center; display: grid; grid-template-columns: 1fr auto; align-items: center; border: 1px solid var(--border-soft); background: var(--surface); border-radius: var(--radius-pill); box-shadow: var(--elev-ring); overflow: hidden; }
    .search input { width: 100%; border: 0; background: transparent; padding: 13px var(--space-5); color: var(--fg); }
    .search button { border: 0; margin: var(--space-1); border-radius: var(--radius-pill); background: var(--fg); color: var(--surface); padding: 10px var(--space-5); }
    .nav-actions, .top-actions { display: flex; align-items: center; gap: var(--space-2); }
    .top-actions { justify-self: end; }
    .nav-actions button, .top-actions button { flex: 0 0 auto; white-space: nowrap; }
    .nav-action { position: relative; display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 0 var(--space-3); }
    .nav-action svg { width: 17px; height: 17px; stroke-width: 1.9; }
    .nav-action-text { line-height: 1; }
    .backend-status-pill { min-height: 38px; display: inline-flex; align-items: center; gap: var(--space-2); padding: 0 var(--space-4); border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--surface); color: var(--muted); box-shadow: var(--elev-ring); font-size: 13px; }
    .gh-star { flex-shrink: 0; display: inline-flex; align-items: stretch; min-height: 38px; padding: 0; border: 1px solid color-mix(in oklab, var(--accent), var(--border-soft) 45%); border-radius: var(--radius-pill); overflow: hidden; background: var(--surface); color: var(--fg); box-shadow: var(--elev-ring); font-size: 13px; font-weight: 750; }
    .gh-star:hover { border-color: var(--accent); background: color-mix(in oklab, var(--surface), var(--accent) 7%); }
    .gh-star-left, .gh-star-count { display: inline-flex; align-items: center; justify-content: center; }
    .gh-star-left { gap: 7px; padding: 0 var(--space-4); background: var(--fg); color: var(--surface); }
    .gh-star-mark { width: 16px; height: 16px; flex: 0 0 auto; }
    .gh-star-count { min-width: 44px; padding: 0 var(--space-3); border-left: 1px solid var(--border-soft); background: var(--surface); color: var(--fg-2); font-family: var(--font-mono); font-size: 12px; }
    .gh-star-count[hidden] { display: none; }
    .top-message-btn { position: relative; width: 38px; height: 38px; display: inline-grid; place-items: center; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--surface); color: var(--fg); box-shadow: var(--elev-ring); }
    .top-message-btn:hover, .backend-status-pill:hover { background: var(--surface-warm); color: var(--fg); }
    .top-message-btn svg { width: 18px; height: 18px; stroke-width: 1.8; }
    .message-dot { position: absolute; top: 7px; right: 7px; width: 8px; height: 8px; border-radius: var(--radius-pill); background: var(--danger); box-shadow: 0 0 0 2px var(--surface); }
    .message-dot[hidden] { display: none; }
    [hidden] { display: none !important; }
    :root { --side-drawer-width: 312px; --topbar-height: 75px; }
    .layout, .fatal-banner { transition: transform var(--motion-base) var(--ease-standard), margin var(--motion-base) var(--ease-standard), width var(--motion-base) var(--ease-standard); }
    .icon-btn, .pill-btn { border: 1px solid var(--border-soft); background: var(--surface); color: var(--fg-2); border-radius: var(--radius-pill); min-height: 40px; padding: 0 var(--space-4); box-shadow: var(--elev-ring); }
    .icon-btn { min-width: 40px; padding: 0; }
    .nav-compact { min-width: 64px; padding-inline: var(--space-3); }
    .side-drawer-btn svg { width: 20px; height: 20px; stroke-width: 2; }
    .side-drawer { position: fixed; inset: var(--topbar-height) auto 0 0; z-index: 15; width: var(--side-drawer-width); pointer-events: none; }
    .side-drawer-scrim { display: none; }
    .side-drawer-panel { width: var(--side-drawer-width); height: 100%; display: grid; align-content: start; gap: 0; padding: 18px var(--space-4); overflow: auto; background: var(--bg); color: var(--fg); border-right: 1px solid var(--border-soft); box-shadow: 1px 0 0 var(--border); transform: translateX(-100%); transition: transform var(--motion-base) var(--ease-standard); pointer-events: auto; }
    .side-drawer.is-open .side-drawer-panel { transform: translateX(0); }
    /* Push (not overlay): content yields the full drawer width and re-centers
       in the remaining space, so the drawer never covers the content. */
    body.side-drawer-open .layout,
    body.side-drawer-open .fatal-banner { transform: none; margin-left: var(--side-drawer-width); width: calc(100% - var(--side-drawer-width)); max-width: none; }
    .side-drawer-nav { display: grid; gap: 4px; padding: 0 0 var(--space-4); border-bottom: 1px solid var(--border-soft); }
    .side-drawer-nav .nav-action { width: 100%; min-height: 40px; display: flex; align-items: center; gap: var(--space-3); padding: 0 var(--space-3); border: 0; border-radius: var(--radius-md); background: transparent; color: var(--fg-2); box-shadow: none; text-align: left; }
    .side-drawer-nav .nav-action:hover { background: color-mix(in oklab, var(--surface-warm), var(--accent) 6%); color: var(--fg); }
    .nav-glyph { width: 22px; height: 22px; display: inline-grid; place-items: center; border-radius: var(--radius-sm); background: var(--surface-warm); color: var(--fg-2); font-size: 13px; }
    .side-drawer-nav .nav-action:nth-child(-n + 4) .nav-glyph { background: color-mix(in oklab, var(--surface-warm), var(--accent) 10%); color: var(--accent); }
    .side-section { display: grid; gap: var(--space-3); padding: var(--space-4) 2px; border-bottom: 1px solid var(--border-soft); }
    .side-section h3 { color: var(--fg); font-size: 16px; letter-spacing: -0.01em; }
    .side-section p { margin: 0; color: var(--muted); }
    .side-section .eyebrow { color: var(--accent); }
    .side-drawer-actions { display: grid; gap: var(--space-2); }
    .side-drawer-actions .pill-btn { width: 100%; display: inline-flex; align-items: center; justify-content: center; }
    .side-runtime-panel, .side-activity-section { border-bottom-color: var(--border-soft); }
    .side-drawer .hero-status-grid, .side-drawer .metric { background: transparent; border-color: var(--border-soft); }
    .side-drawer .hero-status-grid { padding: 0; border: 0; }
    .side-drawer .hero-status-grid span, .side-drawer .hero-topics { color: var(--muted); }
    .side-drawer .hero-status-grid strong, .side-drawer .hero-topics span, .side-drawer .metric strong { color: var(--fg); }
    .side-drawer .metric-row { gap: var(--space-2); }
    .side-drawer .metric { padding: 10px; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: var(--surface); }
    .side-drawer .activity-list { gap: var(--space-2); margin-top: 0; }
    .side-drawer .activity-item { position: relative; padding: 0 0 0 14px; border: 0; border-radius: 0; background: transparent; color: var(--muted); }
    .side-drawer .activity-item::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 6px; height: 6px; border-radius: var(--radius-pill); background: var(--accent); opacity: 0.55; }
    .side-drawer .drawer-actions { margin-top: 0; }
    .side-drawer .small-btn { background: var(--surface); border-color: var(--border-soft); color: var(--fg-2); }
    .pill-btn.primary { border-color: var(--accent); background: var(--accent); color: var(--accent-on); }
    .pill-btn.dark { background: var(--fg); color: var(--surface); border-color: var(--fg); }
    .badge-dot { display: inline-flex; width: 9px; height: 9px; border-radius: var(--radius-pill); background: var(--success); margin-right: var(--space-2); }
    .layout { width: min(100%, calc(var(--recommendation-grid-max) + var(--page-gutter) + var(--page-gutter))); margin: 0 auto; padding: var(--space-6) var(--page-gutter) var(--section-y-tablet); }
    body.chat-page-open { overflow-y: hidden; }
    body.chat-page-open .layout { height: calc(100vh - var(--topbar-height)); padding-block: var(--space-6); overflow: hidden; }
    .main-col { min-width: 0; }
    @media (min-width: 1181px) {
      .layout { display: block; }
      .main-col { display: block; min-width: 0; }
      .delight { width: 100%; max-width: var(--recommendation-grid-max); margin-inline: auto; }
      [data-od-id="recommendations"] { width: 100%; min-width: 0; margin-top: var(--space-6); }
      [data-od-id="recommendations"] .section-head,
      [data-od-id="recommendations"] .filter-row,
      [data-od-id="recommendations"] .load-row { width: 100%; max-width: var(--recommendation-grid-max); margin-inline: auto; }
    }
    .hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: var(--space-6); padding: clamp(var(--space-6), 4vw, var(--space-12)); border-radius: 32px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--elev-raised); overflow: hidden; align-items: stretch; }
    .hero-copy { min-width: 0; display: grid; grid-template-rows: auto auto minmax(0, 1fr) auto; }
    .eyebrow { color: var(--accent); font-size: var(--text-xs); letter-spacing: .08em; text-transform: uppercase; font-weight: 600; }
    h1, h2, h3 { font-family: var(--font-display); font-weight: 750; letter-spacing: var(--tracking-display); margin: 0; line-height: var(--leading-tight); }
    h1 { font-size: clamp(36px, 5vw, var(--text-4xl)); max-width: 820px; }
    h2 { font-size: clamp(28px, 3vw, var(--text-3xl)); }
    h3 { font-size: var(--text-xl); }
    .lead { max-width: 720px; color: var(--muted); font-size: var(--text-lg); margin: var(--space-4) 0 0; }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: end; gap: var(--space-3); margin-top: var(--space-6); align-self: end; }
    .hero-actions .pill-btn { display: inline-flex; align-items: center; justify-content: center; }
    .hero-panel { display: grid; gap: var(--space-4); align-content: start; padding: var(--space-6); border-radius: var(--radius-lg); background: var(--fg); color: var(--surface); }
    .hero-panel p { margin: 0; color: color-mix(in oklab, var(--surface), var(--meta) 24%); }
    .hero-status-grid { display: grid; gap: var(--space-2); padding: var(--space-3); border-radius: var(--radius-md); background: color-mix(in oklab, var(--surface), transparent 92%); border: 1px solid color-mix(in oklab, var(--surface), transparent 86%); }
    .hero-status-grid div { display: grid; grid-template-columns: 78px minmax(0, 1fr); gap: var(--space-3); align-items: baseline; min-width: 0; }
    .hero-status-grid span, .hero-topics { color: color-mix(in oklab, var(--surface), var(--meta) 22%); font-size: var(--text-sm); }
    .hero-status-grid strong, .hero-topics span { min-width: 0; color: var(--surface); font-weight: 650; overflow-wrap: anywhere; }
    .hero-topics { padding-top: var(--space-1); }
    .metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
    .metric { padding: var(--space-3); border-radius: var(--radius-sm); background: color-mix(in oklab, var(--surface), transparent 90%); border: 1px solid color-mix(in oklab, var(--surface), transparent 85%); }
    .metric strong { display: block; color: var(--surface); font-family: var(--font-mono); font-size: var(--text-lg); }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: var(--space-4); margin: var(--space-8) 0 var(--space-4); }
    .section-head p { margin: var(--space-1) 0 0; color: var(--muted); }
    .recommendation-actions { align-items: center; }
    .reshuffle-toggle { min-height: 40px; display: inline-flex; align-items: center; gap: var(--space-2); padding: 0 var(--space-3) 0 6px; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--surface); color: var(--muted); font-size: 13px; white-space: nowrap; box-shadow: var(--elev-ring); cursor: pointer; user-select: none; }
    .reshuffle-toggle input { position: absolute; opacity: 0; pointer-events: none; }
    .reshuffle-switch { position: relative; width: 34px; height: 20px; flex: 0 0 auto; border-radius: var(--radius-pill); background: var(--surface-warm); box-shadow: inset 0 0 0 1px var(--border-soft); transition: background var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard); }
    .reshuffle-switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: var(--radius-pill); background: var(--surface); box-shadow: var(--elev-ring); transition: transform var(--motion-fast) var(--ease-standard); }
    .reshuffle-toggle input:checked + .reshuffle-switch { background: color-mix(in oklab, var(--accent), var(--surface) 28%); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent), var(--border-soft) 40%); }
    .reshuffle-toggle input:checked + .reshuffle-switch::after { transform: translateX(14px); }
    .reshuffle-toggle input:focus-visible + .reshuffle-switch { box-shadow: var(--focus-ring); }
    .reshuffle-toggle:has(input:disabled) { opacity: 0.48; cursor: not-allowed; }
    .filter-row { display: flex; gap: var(--space-2); overflow-x: auto; padding-bottom: var(--space-2); margin-bottom: var(--space-2); scrollbar-width: thin; }
    .chip { white-space: nowrap; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--surface); color: var(--fg-2); padding: 8px var(--space-4); }
    .chip.is-active { background: var(--fg); color: var(--surface); border-color: var(--fg); }
    .delight { display: grid; grid-template-columns: minmax(280px, 40%) minmax(0, 1fr); gap: var(--space-4); align-items: stretch; margin-top: var(--space-6); padding: var(--space-4); border: 1px solid var(--border-soft); border-radius: 28px; background: var(--surface-warm); overflow: hidden; }
    .delight .thumb { width: 100%; aspect-ratio: 16 / 9; min-height: 0; align-self: center; border-radius: 22px; box-shadow: 0 0 0 1px color-mix(in oklab, var(--fg), transparent 88%); cursor: pointer; }
    .delight .thumb:focus-visible { outline: none; box-shadow: var(--focus-ring), 0 0 0 1px color-mix(in oklab, var(--fg), transparent 88%); }
    .delight .thumb::after { display: none; }
    .delight .thumb img, .delight .thumb video, .delight .thumb iframe { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border: 0; display: block; }
    .delight-body { min-width: 0; min-height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: var(--space-3); align-self: stretch; }
    .delight-meta { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
    .delight-meta .eyebrow { margin: 0; }
    .delight-queue-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: end; gap: 6px; }
    .delight-nav { display: inline-flex; align-items: center; gap: 5px; color: var(--muted); font-size: 12px; line-height: 1; }
    .icon-btn { width: 32px; height: 32px; display: inline-grid; place-items: center; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--surface); color: var(--fg-2); }
    .delight-nav .icon-btn { width: 26px; height: 26px; font-size: 14px; }
    .delight-queue-tools .ghost-danger { height: 26px; min-height: 26px; padding: 0 9px; font-size: 12px; line-height: 1; }
    .thumb { aspect-ratio: 16 / 9; border-radius: var(--radius-lg); background: linear-gradient(135deg, color-mix(in oklab, var(--accent), var(--surface) 46%), var(--fg)); position: relative; overflow: hidden; }
    .thumb::before { content: ""; position: absolute; inset: 18% 22%; border: 1px solid color-mix(in oklab, var(--surface), transparent 25%); border-radius: var(--radius-lg); }
    .thumb::after { content: ""; position: absolute; width: 38px; height: 38px; left: 50%; top: 50%; translate: -50% -50%; border-radius: var(--radius-pill); background: var(--surface); clip-path: polygon(36% 25%, 76% 50%, 36% 75%); }
    .delight .thumb::before { inset: 0; border: 0; border-radius: inherit; background: linear-gradient(135deg, color-mix(in oklab, var(--accent), var(--surface) 46%), var(--fg)); }
    .thumb.has-image::before { display: none; }
    .thumb.has-image::after { background: color-mix(in oklab, var(--surface), transparent 4%); box-shadow: 0 0 0 1px color-mix(in oklab, var(--fg), transparent 88%); }
    .delight-copy { min-width: 0; align-self: start; }
    .delight-copy h3 { max-width: 760px; overflow-wrap: normal; word-break: normal; text-wrap: pretty; }
    .delight-copy p { margin: var(--space-2) 0 0; color: var(--muted); max-width: 720px; }
    .delight-chat-turns { display: grid; gap: 8px; margin-top: var(--space-3); max-height: 220px; overflow: auto; padding-right: 2px; }
    .delight-chat-turns[hidden] { display: none; }
    .delight-turn-bubble { width: fit-content; max-width: min(100%, 520px); border: 1px solid var(--border); border-radius: 14px; padding: 8px 10px; font-size: 13px; line-height: 1.45; background: var(--surface); color: var(--fg-2); }
    .delight-turn-bubble.is-user { justify-self: end; background: var(--surface); border-color: var(--border-soft); }
    .delight-turn-bubble.is-assistant { justify-self: start; background: color-mix(in oklab, var(--surface), var(--surface-warm) 55%); }
    .delight-turn-bubble.is-thinking { color: var(--muted); font-style: italic; }
    .delight-turn-bubble.is-error { color: var(--danger); border-color: color-mix(in oklab, var(--danger), var(--border-soft) 68%); }
    .delight-actions { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
    .delight-main-actions, .delight-feedback-actions { min-width: 0; align-items: center; }
    .delight-main-actions { order: 2; flex: 0 0 212px; display: grid; grid-template-columns: 116px 88px; gap: var(--space-2); transition: grid-template-columns var(--motion-base) var(--ease-standard), gap var(--motion-base) var(--ease-standard), flex-basis var(--motion-base) var(--ease-standard); }
    .delight-main-actions.is-composing { flex: 1 1 260px; grid-template-columns: minmax(0, 1fr) 38px; gap: var(--space-2); }
    .delight-main-actions [data-delight="view"] { grid-column: 1; grid-row: 1; }
    .delight-main-actions .chat-action { grid-column: 2; grid-row: 1; }
    .delight-main-actions .small-btn { min-height: 40px; border-radius: var(--radius-pill); font-weight: 650; letter-spacing: 0.01em; }
    .delight-main-actions .small-btn:first-child { width: 100%; padding: 0 18px; background: var(--accent); border-color: var(--accent); color: var(--accent-on); transition: max-width var(--motion-base) var(--ease-standard), opacity var(--motion-base) var(--ease-standard), padding var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard); }
    .delight-main-actions .small-btn:last-child { width: 100%; min-width: 0; padding: 0 14px; background: var(--fg); border-color: var(--fg); color: var(--surface); }
    .delight-main-actions.is-composing [data-delight="view"] { max-width: 0; padding-inline: 0; border-color: transparent; opacity: 0; overflow: hidden; pointer-events: none; }
    .delight-main-actions.is-composing .comment-field { max-width: 100%; opacity: 1; transform: translateX(0); pointer-events: auto; }
    .delight-main-actions .chat-action.is-send { width: 38px; min-width: 38px; padding: 0; }
    .delight-main-actions .chat-action.is-send svg { width: 17px; height: 17px; stroke-width: 2.2; }
    .delight-feedback-actions.card-feedback-icons { order: 1; flex: 0 0 auto; justify-self: auto; justify-content: center; max-width: none; width: auto; height: 40px; min-height: 40px; padding: 3px 8px; gap: 6px; }
    .delight-actions .small-btn { min-width: 0; }
    .delight-feedback-actions .feedback-icon-btn { flex: 0 0 26px; width: 26px; height: 26px; min-height: 26px; }
    .delight-feedback-actions .feedback-icon-btn svg { width: 14px; height: 14px; }
    .delight-feedback-actions .feedback-separator { font-size: 12px; transform: none; }
    .small-btn.ghost-danger { color: var(--danger); background: color-mix(in oklab, var(--danger), var(--surface) 92%); border-color: color-mix(in oklab, var(--danger), var(--border-soft) 70%); }
    .card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--recommendation-card-min)), var(--recommendation-card-max))); justify-content: center; gap: var(--space-4); max-width: var(--recommendation-grid-max); margin-inline: auto; }
    .video-card { min-width: 0; display: grid; gap: var(--space-3); padding: var(--space-3); border: 1px solid var(--border); border-radius: 22px; background: var(--surface); box-shadow: var(--elev-ring); transition: transform var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard), opacity var(--motion-base) var(--ease-standard); }
    .video-card:hover { transform: translateY(-2px); box-shadow: var(--elev-raised); }
    .video-card.is-removing { opacity: 0; transform: translateY(6px) scale(0.98); pointer-events: none; }
    .cover { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(135deg, var(--surface-warm), color-mix(in oklab, var(--accent), var(--fg) 35%)); }
    .cover[data-platform="youtube"] { background: linear-gradient(135deg, var(--surface-warm), color-mix(in oklab, var(--danger), var(--fg) 30%)); }
    .cover[data-platform="douyin"] { background: linear-gradient(135deg, var(--fg), color-mix(in oklab, var(--accent), var(--fg) 54%)); }
    .cover[data-platform="xiaohongshu"] { background: linear-gradient(135deg, var(--surface-warm), color-mix(in oklab, var(--danger), var(--surface) 50%)); }
    .cover[data-platform="twitter"] { background: linear-gradient(135deg, var(--surface), color-mix(in oklab, var(--fg), var(--surface) 82%)); }
    .cover[data-platform="zhihu"] { background: linear-gradient(135deg, var(--surface), color-mix(in oklab, #0f88eb, var(--surface-warm) 62%)); }
    .cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .cover.is-text-card { display: flex; align-items: flex-start; justify-content: flex-start; min-height: 132px; padding: var(--space-3) calc(var(--space-3) + 76px) var(--space-3) var(--space-3); text-align: left; }
    .cover-text { margin: 0; color: var(--fg-2); font-size: var(--text-sm); line-height: 1.55; font-weight: 550; white-space: pre-wrap; word-break: break-word; display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; }
    .platform { position: absolute; right: var(--space-2); top: var(--space-2); border-radius: var(--radius-pill); background: color-mix(in oklab, var(--fg), transparent 8%); color: var(--surface); padding: 4px 9px; font-size: 12px; }
    .video-title { font-family: var(--font-body); font-weight: 650; font-size: var(--text-base); line-height: 1.35; margin: 0; color: var(--fg); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .video-meta { color: var(--muted); font-size: var(--text-sm); margin: 0; }
    .reason { --reason-line-height: 1.5; --reason-lines: 4; color: var(--fg-2); font-size: var(--text-sm); line-height: var(--reason-line-height); margin: 0; padding: var(--space-3); border-radius: var(--radius-md); background: var(--bg); border: 1px solid var(--border); display: block; overflow: hidden; cursor: pointer; }
    .reason-text { display: -webkit-box; -webkit-line-clamp: var(--reason-lines); -webkit-box-orient: vertical; max-height: calc(1em * var(--reason-line-height) * var(--reason-lines)); overflow: hidden; }
    .reason:focus-visible { outline: none; box-shadow: var(--focus-ring); }
    .reason.is-expanded { overflow: visible; }
    .reason.is-expanded .reason-text { display: block; -webkit-line-clamp: unset; max-height: none; overflow: visible; }
    .card-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
    .video-card .card-actions { display: grid; grid-template-columns: auto minmax(96px, auto); align-items: center; justify-content: space-between; gap: var(--space-3); margin-top: 0; transition: grid-template-columns var(--motion-base) var(--ease-standard), gap var(--motion-base) var(--ease-standard); }
    .video-card .card-actions.is-composing { grid-template-columns: minmax(0, 1fr) 38px; gap: var(--space-2); }
    .card-feedback-icons { grid-column: 1; grid-row: 1; display: inline-flex; align-items: center; justify-content: flex-start; gap: 8px; max-width: 220px; padding: 3px 7px; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--bg); opacity: 1; transform: scale(1); overflow: hidden; transition: opacity var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard), max-width var(--motion-base) var(--ease-standard), padding var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard); }
    .card-actions.is-composing .card-feedback-icons { max-width: 0; padding-inline: 0; border-color: transparent; opacity: 0; transform: scale(0.9); pointer-events: none; }
    .comment-field { grid-column: 1; grid-row: 1; min-width: 0; max-width: 0; opacity: 0; transform: translateX(8px); pointer-events: none; overflow: hidden; transition: opacity var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard), max-width var(--motion-base) var(--ease-standard); }
    .card-actions.is-composing .comment-field { max-width: 100%; opacity: 1; transform: translateX(0); pointer-events: auto; }
    .comment-field input { display: block; width: 100%; height: 38px; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--bg); color: var(--fg); padding: 0 var(--space-4); min-width: 0; appearance: none; }
    .comment-field input:focus-visible { border-color: color-mix(in oklab, var(--accent), var(--border-soft) 45%); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent), transparent 35%); }
    .feedback-icon-btn { width: 32px; height: 32px; min-height: 32px; display: inline-flex; align-items: center; justify-content: center; padding: 0; border: 0; border-radius: var(--radius-pill); background: transparent; color: var(--muted); }
    .feedback-icon-btn svg { width: 16px; height: 16px; stroke-width: 2; }
    .feedback-icon-btn:hover { background: var(--surface); color: var(--fg); }
    .feedback-icon-btn[aria-pressed="true"] { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
    .feedback-separator { color: var(--meta); font-size: 13px; line-height: 1; transform: translateY(-1px); }
    .small-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 34px; border: 1px solid var(--border-soft); background: var(--surface); color: var(--fg-2); border-radius: var(--radius-pill); padding: 7px var(--space-3); font-size: var(--text-sm); white-space: nowrap; }
    .video-card .small-btn { width: auto; min-height: 38px; padding: 0 var(--space-4); border: 1px solid var(--accent); background: var(--accent); color: var(--accent-on); font-size: 13px; font-weight: 650; transition: width var(--motion-base) var(--ease-standard), min-width var(--motion-base) var(--ease-standard), padding var(--motion-base) var(--ease-standard), background var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard); }
    .video-card .small-btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-on); }
    .video-card .chat-action.is-send { width: 38px; min-width: 38px; padding: 0; }
    .video-card .chat-action.is-send svg { width: 17px; height: 17px; stroke-width: 2.2; }
    .composer-cancel { display: none; }
    .small-btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-on); }
    .small-btn:disabled, .icon-btn:disabled { cursor: not-allowed; opacity: 0.42; }
    .delight-queue-tools .icon-btn,
    .delight-queue-tools .small-btn.ghost-danger { height: 32px; min-height: 32px; box-sizing: border-box; display: inline-flex; align-items: center; justify-content: center; line-height: 1; }
    .delight-queue-tools .icon-btn { width: 32px; min-width: 32px; padding: 0; }
    .delight-queue-tools .small-btn.ghost-danger { width: auto; padding: 0 11px; font-size: 12px; }
    .chat-input input, .settings-field input, .settings-field select, .settings-field textarea { border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--surface); color: var(--fg); padding: 10px var(--space-3); min-width: 0; }
    .status-line { min-height: 20px; color: var(--muted); font-size: 13px; margin: 0; }
    .status-line:empty { display: none; }
    .rail { min-width: 0; display: grid; gap: var(--space-5); align-content: start; order: 2; }
    .panel { min-width: 0; border: 1px solid var(--border); border-radius: 24px; background: var(--surface); padding: var(--space-5); box-shadow: var(--elev-ring); }
    .panel, .video-card, .activity-item, .profile-item, .message-item { overflow-wrap: anywhere; }
    .panel h3 { margin-bottom: var(--space-3); }
    .kv { display: grid; gap: var(--space-3); }
    .kv-row { min-width: 0; display: flex; justify-content: space-between; gap: var(--space-3); padding: var(--space-2) 0; border-top: 1px solid var(--border); color: var(--muted); }
    .kv-row strong { min-width: 0; max-width: 60%; color: var(--fg); font-family: var(--font-mono); text-align: right; overflow-wrap: anywhere; }
    .activity-list, .profile-list, .message-list { display: grid; gap: var(--space-3); margin-top: var(--space-3); }
    .activity-item, .profile-item, .message-item, .chat-bubble { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg); padding: var(--space-3); }
    .activity-item p, .profile-item p, .message-item p { margin: 0; }
    .message-list { gap: 12px; }
    .message-item { display: grid; gap: 8px; padding: 16px 18px; border-color: var(--border-soft); border-radius: 20px; background: var(--surface); box-shadow: 0 0 0 1px color-mix(in oklab, var(--border-soft), transparent 35%), rgba(20, 20, 19, 0.045) 0 10px 28px; }
    .message-item.is-interest-probe { background: color-mix(in oklab, var(--surface), #f3b15f 8%); border-color: color-mix(in oklab, var(--accent), var(--border-soft) 62%); }
    .message-item.is-challenge-probe { background: color-mix(in oklab, var(--surface), #8b5cf6 8%); border-color: color-mix(in oklab, #7c3aed, var(--border-soft) 68%); }
    .message-item.is-avoidance-probe { background: color-mix(in oklab, var(--surface), #60a5fa 8%); border-color: color-mix(in oklab, #2563eb, var(--border-soft) 68%); }
    .message-item.is-challenge-probe .eyebrow,
    .message-item.is-challenge-probe h3 { color: #6d28d9; }
    .message-item.is-avoidance-probe .eyebrow,
    .message-item.is-avoidance-probe h3 { color: #1d4ed8; }
    .message-item .eyebrow { margin: 0; }
    .message-item h3 { margin: -2px 0 0; font-size: 22px; line-height: 1.18; }
    .message-item .video-meta { line-height: 1.45; }
    .message-item .profile-chip-row { gap: 7px; }
    .message-item .profile-chip-row .chip { padding: 6px 12px; border-color: color-mix(in oklab, var(--border-soft), transparent 22%); background: color-mix(in oklab, var(--bg), var(--surface) 28%); color: var(--muted); font-size: 14px; line-height: 1.25; }
    .message-note { margin: 0; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); background: var(--surface); color: var(--fg-2); font-size: var(--text-sm); }
    .probe-kind-copy { color: var(--muted); font-weight: 650; }
    .message-item.is-challenge-probe .probe-kind-copy { color: #6d28d9; }
    .message-item.is-avoidance-probe .probe-kind-copy { color: #1d4ed8; }
    .message-note.is-success { min-height: 38px; display: flex; align-items: center; border: 1px solid color-mix(in oklab, var(--accent), var(--border) 58%); background: color-mix(in oklab, var(--accent), var(--surface) 88%); color: var(--fg); }
    .message-item.is-resolved { border-color: color-mix(in oklab, var(--accent), var(--border) 64%); background: color-mix(in oklab, var(--surface), var(--accent) 4%); }
    .message-item.is-resolving .message-card-actions { opacity: 0.72; pointer-events: none; }
    .message-item.is-dismissing { opacity: 0; height: 0 !important; min-height: 0 !important; margin: 0 !important; padding-top: 0; padding-bottom: 0; border-top-width: 0; border-bottom-width: 0; overflow: hidden; pointer-events: none; }
    .message-card-actions { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-top: 2px; }
    .message-card-actions.is-result { justify-content: stretch; }
    .message-action-result { min-height: 38px; width: 100%; display: flex; align-items: center; justify-content: center; padding: 0 var(--space-3); border: 1px solid color-mix(in oklab, var(--accent), var(--border) 58%); border-radius: var(--radius-pill); background: color-mix(in oklab, var(--accent), var(--surface) 88%); color: var(--fg); font-size: var(--text-sm); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .message-card-actions .card-feedback-icons { grid-column: auto; grid-row: auto; flex: 0 0 auto; max-width: none; padding: 3px 7px; gap: 10px; }
    .message-primary-actions { display: inline-flex; align-items: center; justify-content: flex-end; gap: var(--space-2); min-width: 0; }
    .message-primary-actions .small-btn { min-height: 38px; padding: 0 var(--space-4); border: 1px solid var(--accent); background: var(--accent); color: var(--accent-on); font-size: 13px; font-weight: 650; }
    .message-primary-actions .small-btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-on); }
    .message-primary-actions .small-btn.secondary { border-color: var(--border-soft); background: var(--surface); color: var(--fg-2); }
    .message-primary-actions .small-btn.secondary:hover { background: var(--surface-warm); border-color: var(--border-soft); color: var(--fg); }
    .message-item .inline-chat-area { display: grid; gap: 10px; margin-top: 2px; }
    .message-item .inline-chat-turns { display: grid; gap: 8px; }
    .message-item .inline-chat-compose { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 8px; align-items: end; }
    .message-item .inline-chat-input { width: 100%; min-width: 0; min-height: 42px; max-height: 120px; resize: vertical; border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--bg); color: var(--fg); padding: 10px 12px; font: inherit; line-height: 1.45; }
    .message-item .inline-chat-input:focus-visible { outline: none; border-color: color-mix(in oklab, var(--accent), var(--border-soft) 42%); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--accent), transparent 38%); }
    .message-item .inline-chat-send,
    .message-item .inline-chat-cancel { min-height: 42px; border-radius: var(--radius-pill); padding: 0 14px; font-size: 13px; font-weight: 700; white-space: nowrap; }
    .message-item .inline-chat-send { border: 1px solid var(--accent); background: var(--accent); color: var(--accent-on); }
    .message-item .inline-chat-cancel { border: 1px solid var(--border-soft); background: var(--surface); color: var(--fg-2); }
    .message-item .inline-chat-send:disabled,
    .message-item .inline-chat-cancel:disabled,
    .message-item .inline-chat-input:disabled { opacity: 0.62; cursor: default; }
    .message-item .inline-chat-bubble { width: fit-content; max-width: 92%; padding: 9px 12px; border-radius: var(--radius-md); border: 1px solid var(--border-soft); background: var(--bg); color: var(--fg-2); font-size: var(--text-sm); line-height: 1.45; }
    .message-item .inline-chat-bubble.user { justify-self: end; background: var(--surface-warm); color: var(--fg); }
    .message-item .inline-chat-bubble.thinking { color: var(--muted); animation: pulse 1.5s ease-in-out infinite; }
    .message-item .inline-chat-reply { justify-self: start; background: var(--surface); color: var(--fg); }
    .message-item .inline-chat-bubble.error { border-color: color-mix(in oklab, var(--danger), var(--border-soft) 55%); background: color-mix(in oklab, var(--danger), var(--surface) 90%); color: var(--danger); }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }
    .message-chat-view { display: grid; grid-template-rows: auto auto auto auto minmax(160px, 1fr) auto; gap: var(--space-3); min-height: calc(100vh - 48px); }
    .message-chat-view[hidden] { display: none; }
    .message-chat-head { align-items: center; margin-bottom: 0; }
    .message-chat-head .small-btn { min-height: 34px; }
    #messagesDrawer.is-chatting #messagesHead,
    #messagesDrawer.is-chatting #messageList { display: none; }
    #messageChatTitle { margin: 0; max-width: none; font-size: clamp(34px, 6vw, 44px); line-height: 1.12; text-wrap: balance; }
    #messageChatContext { align-self: start; margin: 0; width: 100%; padding: var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); }
    #messageChatLog { align-content: start; min-height: 0; }
    #messageChatLog .chat-bubble { max-width: min(100%, 560px); }
    #messageChatLog .chat-bubble.user { justify-self: end; margin-left: 0; }
    #messageChatLog .chat-bubble.agent { justify-self: start; margin-right: 0; }
    @media (max-width: 520px) { .message-card-actions { align-items: stretch; flex-direction: column; } .message-card-actions .card-feedback-icons, .message-primary-actions { width: 100%; justify-content: center; } .message-primary-actions .small-btn { flex: 1; } }
    .profile-chip-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }
    .profile-section-title { margin: var(--space-3) 0 var(--space-2); color: var(--fg); font-size: var(--text-base); font-weight: 700; }
    .content-page { width: 100%; max-width: min(1120px, var(--recommendation-grid-max)); margin-inline: auto; }
    .content-page-head, .profile-page-head { display: flex; align-items: end; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-6); }
    .content-page-head h2, .profile-page-head h2 { margin-top: var(--space-1); }
    .profile-page-list { gap: var(--space-4); }
    .profile-page-actions { margin-top: var(--space-5); justify-content: start; }
    .chat-page { height: 100%; min-height: 0; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }
    .chat-page .content-page-head { margin-bottom: var(--space-5); }
    .chat-page .chat-log { min-height: 0; margin: 0 0 var(--space-4); align-content: start; overflow: auto; }
    .chat-page .chat-input { align-self: end; border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: var(--space-3); box-shadow: var(--elev-raised); }
    .settings-page .settings-grid { margin-top: 0; }
    #profileDetails { gap: var(--space-4); }
    .profile-layer { display: grid; gap: var(--space-3); }
    .profile-layer-label { margin: var(--space-2) 0 0; padding: var(--space-3) 0 var(--space-1); border-top: 1px solid var(--border-soft); color: var(--accent); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }
    .profile-item h3 { margin: 0 0 var(--space-2); font-size: var(--text-base); line-height: 1.25; }
    .profile-item .video-meta { line-height: 1.65; }
    .profile-portrait-block { background: var(--surface); }
    .profile-portrait-copy { display: grid; gap: var(--space-2); }
    .profile-portrait-copy p { margin: 0; }
    .profile-chip-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }
    .profile-chip-list .chip { background: var(--surface); }
    .profile-interest-tree, .profile-card-list, .profile-bars, .profile-context { display: grid; gap: var(--space-2); }
    .profile-domain, .profile-insight, .profile-memory, .profile-context-row { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); padding: var(--space-3); }
    .profile-domain-head, .profile-insight-head, .profile-memory-head, .profile-context-row { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-3); }
    .profile-context-row > span { flex: 0 0 auto; white-space: nowrap; }
    .profile-context-row > strong { min-width: 0; text-align: right; overflow-wrap: anywhere; }
    .profile-domain-title, .profile-insight-title { font-weight: 750; color: var(--fg); }
    .profile-domain-weight, .profile-confidence, .profile-memory-meta { color: var(--meta); font-family: var(--font-mono); font-size: var(--text-xs); white-space: nowrap; }
    .insight-actions { display: flex; gap: var(--space-2); margin-top: var(--space-2); }
    .insight-actions .pill-btn { min-height: 28px; padding: 0 var(--space-3); font-size: var(--text-xs); }
    .insight-actions .pill-btn:disabled { opacity: 0.5; cursor: default; }
    .profile-domain .profile-chip-list { margin-top: var(--space-2); }
    .speculative-list { display: grid; gap: var(--space-2); }
    .speculative-item { display: grid; gap: var(--space-2); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); padding: var(--space-3); }
    .speculative-item.is-status-deprecated, .speculative-item.is-status-rejected { opacity: 0.62; }
    .spec-header { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: var(--space-2); }
    .spec-domain { min-width: 0; color: var(--fg); font-weight: 750; overflow-wrap: anywhere; }
    .spec-status, .spec-progress, .spec-confidence-label, .spec-specific-count { color: var(--meta); font-family: var(--font-mono); font-size: var(--text-xs); white-space: nowrap; }
    .spec-status { padding: 2px 7px; border-radius: var(--radius-pill); background: var(--surface-warm); color: var(--fg-2); font-family: var(--font-body); font-weight: 700; }
    .spec-confidence-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-2); }
    .spec-confidence-bar { height: 6px; border-radius: var(--radius-pill); background: var(--surface-warm); overflow: hidden; }
    .spec-confidence-fill { height: 100%; border-radius: inherit; background: var(--accent); }
    .spec-specifics { display: flex; flex-wrap: wrap; gap: var(--space-2); }
    .spec-specific-chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; border-radius: var(--radius-pill); background: var(--bg); color: var(--muted); font-size: var(--text-xs); }
    .spec-specific-count { display: inline-grid; min-width: 16px; height: 16px; place-items: center; padding: 0 4px; border-radius: var(--radius-pill); background: var(--surface-warm); color: var(--fg-2); }
    .spec-help { margin: 0; color: var(--meta); font-size: var(--text-xs); }
    .spec-actions { display: flex; gap: var(--space-2); margin-top: var(--space-1); }
    .spec-actions .probe-btn { min-height: 30px; padding: 5px 11px; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--bg); color: var(--fg-2); font-size: var(--text-xs); font-weight: 700; }
    .spec-actions .probe-btn.is-confirm { background: var(--accent); border-color: var(--accent); color: var(--accent-on); }
    .spec-result { margin: 0; color: var(--accent); font-size: var(--text-sm); }
    .profile-meter { display: grid; gap: var(--space-1); }
    .profile-style-bars > .profile-meter { padding-inline: var(--space-3); }
    .profile-style-bars > .profile-context-row + .profile-meter { margin-top: var(--space-1); }
    .profile-meter-head { display: flex; justify-content: space-between; gap: var(--space-3); color: var(--muted); font-size: var(--text-sm); }
    .profile-meter-track { height: 8px; border-radius: var(--radius-pill); background: var(--surface-warm); overflow: hidden; }
    .profile-meter-fill { height: 100%; border-radius: inherit; background: var(--accent); }
    .mbti-block { display: grid; gap: var(--space-3); }
    .mbti-type-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-2); }
    .mbti-type-label { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 750; line-height: 1; }
    .mbti-confidence { color: var(--muted); font-size: var(--text-sm); }
    .mbti-dimensions { display: grid; gap: var(--space-3); }
    .mbti-axis { display: grid; grid-template-columns: 72px minmax(140px, 1fr) 72px 48px; align-items: center; gap: var(--space-2); font-size: var(--text-sm); }
    .mbti-axis-side { color: var(--muted); white-space: nowrap; }
    .mbti-axis-side.is-active { color: var(--fg); font-weight: 750; }
    .mbti-axis-track { position: relative; height: 10px; border-radius: var(--radius-pill); background: var(--surface-warm); overflow: visible; }
    .mbti-axis-track::before { content: ""; position: absolute; left: 50%; top: -3px; width: 1px; height: 16px; background: var(--border-soft); }
    .mbti-axis-fill { position: absolute; top: 0; left: var(--start); width: var(--width); height: 100%; border-radius: var(--radius-pill); background: var(--accent); }
    .mbti-axis-marker { position: absolute; top: 50%; left: var(--marker); width: 14px; height: 14px; border-radius: 50%; background: var(--fg); border: 2px solid var(--surface); transform: translate(-50%, -50%); box-shadow: var(--elev-ring); }
    .mbti-axis-pct { color: var(--fg); font-family: var(--font-mono); font-size: var(--text-xs); text-align: right; }
    @media (max-width: 560px) { .mbti-axis { grid-template-columns: 48px minmax(96px, 1fr) 48px 40px; } .mbti-axis-side span { display: none; } }
    .drawer-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-3) 0; }
    .empty-state { border: 1px dashed var(--border-soft); border-radius: var(--radius-md); padding: var(--space-4); color: var(--muted); background: var(--surface); }
    .card-grid .empty-state { grid-column: 1 / -1; }
    .init-onboarding { grid-column: 1 / -1; width: min(100%, 760px); margin-inline: auto; display: grid; gap: var(--space-4); padding: var(--space-6); border: 1px solid var(--border); border-radius: 24px; background: var(--surface); box-shadow: var(--elev-ring); }
    .init-onboarding-copy { display: grid; gap: var(--space-2); }
    .init-onboarding-copy h3 { font-size: clamp(24px, 3vw, 36px); }
    .init-sources { display: grid; gap: var(--space-2); }
    .init-sources-title { margin: 0; color: var(--fg); font-weight: 750; }
    .init-source-row { display: flex; align-items: center; gap: var(--space-2); min-width: 0; padding: 10px var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg); color: var(--fg-2); font-size: var(--text-sm); }
    .init-source-row input { width: 16px; height: 16px; flex: 0 0 auto; accent-color: var(--accent); }
    .init-sources-hint { margin: 0; color: var(--muted); font-size: var(--text-sm); line-height: 1.5; }
    .init-checklist { list-style: none; display: grid; gap: var(--space-2); padding: 0; margin: 0; }
    .init-checklist li { min-width: 0; padding: 10px var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg); }
    .init-row { display: flex; align-items: center; gap: var(--space-2); color: var(--fg); font-size: var(--text-sm); font-weight: 700; }
    .init-mark { width: 22px; height: 22px; flex: 0 0 auto; display: grid; place-items: center; border-radius: var(--radius-pill); background: var(--surface-warm); color: var(--muted); font-weight: 900; }
    .init-ok .init-mark { background: color-mix(in oklab, var(--success), var(--surface) 84%); color: var(--success); }
    .init-missing.init-hard .init-mark { background: color-mix(in oklab, var(--danger), var(--surface) 84%); color: var(--danger); }
    .init-missing.init-soft .init-mark { background: color-mix(in oklab, var(--warn), var(--surface) 84%); color: color-mix(in oklab, var(--warn), black 24%); }
    .init-hint, .init-hint-row { margin: 6px 0 0 30px; color: var(--muted); font-size: var(--text-sm); line-height: 1.45; }
    .init-progress { display: grid; gap: var(--space-2); padding: var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg); }
    .init-progress-track { height: 8px; overflow: hidden; border-radius: var(--radius-pill); background: var(--surface-warm); }
    .init-progress-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--success)); transition: width var(--motion-base) var(--ease-standard); }
    .init-progress p, .init-reason { margin: 0; color: var(--muted); font-size: var(--text-sm); line-height: 1.5; }
    .init-reason { padding: 10px var(--space-3); border: 1px solid color-mix(in oklab, var(--danger), var(--border) 65%); border-radius: var(--radius-md); background: color-mix(in oklab, var(--danger), var(--surface) 92%); color: var(--danger); }
    .init-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
    .inline-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-3); grid-column: 1 / -1; }
    .inline-row .settings-field { min-width: 0; }
    [data-od-id="profile-rail"] .eyebrow { margin: 0 0 var(--space-2); }
    [data-od-id="profile-rail"] h3 { margin: 0 0 var(--space-3); }
    [data-od-id="profile-rail"] #profilePortrait { margin: 0 0 var(--space-4); line-height: 1.55; }
    [data-od-id="profile-rail"] .profile-chip-row { min-width: 0; margin: 0 0 var(--space-4); padding: var(--space-2) var(--space-3); column-gap: 6px; row-gap: var(--space-2); border: 1px solid var(--border); border-radius: var(--radius-md); background: color-mix(in oklab, var(--surface), var(--bg) 42%); }
    [data-od-id="profile-rail"] .profile-chip-row:empty { display: none; }
    [data-od-id="profile-rail"] .profile-chip-row .chip { max-width: 100%; white-space: normal; overflow-wrap: anywhere; text-align: left; padding: 3px 7px; font-size: 13px; font-weight: 400; line-height: 1.3; color: var(--fg-2); background: var(--surface); border-color: var(--border-soft); }
    [data-od-id="profile-rail"] .kv { gap: 0; }
    .drawer, .overlay { position: fixed; inset: 0; z-index: 60; display: none; }
    .drawer.is-open, .overlay.is-open { display: block; }
    .scrim { position: absolute; inset: 0; background: color-mix(in oklab, var(--fg), transparent 45%); }
    .drawer-panel { position: absolute; right: 0; top: 0; width: min(560px, 100%); height: 100%; background: var(--bg); padding: var(--space-6); overflow: auto; box-shadow: var(--elev-raised); }
    .modal-panel { position: absolute; left: 50%; top: 50%; translate: -50% -50%; width: min(960px, calc(100% - 32px)); max-height: calc(100vh - 48px); overflow: auto; background: var(--bg); border-radius: 28px; padding: var(--space-6); box-shadow: var(--elev-raised); }
    .drawer-head, .modal-head { display: flex; align-items: start; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); }
    .chat-log { display: grid; gap: var(--space-3); margin: var(--space-4) 0; }
    .chat-bubble.user { margin-left: 12%; background: var(--surface-warm); }
    .chat-bubble.agent { margin-right: 12%; background: var(--surface); }
    .chat-input { display: grid; grid-template-columns: 1fr auto; gap: var(--space-2); position: sticky; bottom: 0; background: var(--bg); padding-top: var(--space-3); }
    .settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
    .settings-tabs { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-2); padding: var(--space-1); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); background: var(--surface); }
    .settings-tab { min-height: 38px; border: 0; border-radius: var(--radius-md); background: transparent; color: var(--muted); font-weight: 750; transition: background var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard); }
    .settings-tab.is-active { background: var(--fg); color: var(--surface); }
    .settings-panel { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
    .settings-panel[hidden] { display: none; }
    .settings-subtabs { grid-column: 1 / -1; display: inline-flex; align-items: center; width: fit-content; margin-top: calc(-1 * var(--space-2)); padding: 2px; border: 1px solid var(--border); border-radius: var(--radius-pill); background: color-mix(in oklab, var(--surface), var(--bg) 45%); }
    .settings-subtab { min-height: 26px; padding: 0 var(--space-3); border: 0; border-radius: var(--radius-pill); background: transparent; color: var(--muted); font-size: 12px; font-weight: 600; transition: background var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard); }
    .settings-subtab.is-active { background: var(--surface-warm); color: var(--fg); box-shadow: inset 0 0 0 1px var(--border-soft); }
    .settings-subpanel { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
    .settings-subpanel[hidden] { display: none; }
    .settings-field { display: grid; gap: var(--space-2); }
    .settings-field.full { grid-column: 1 / -1; }
    .settings-field label { color: var(--muted); font-size: var(--text-sm); }
    .settings-probe-row { grid-column: 1 / -1; display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; min-width: 0; }
    .settings-probe-status { flex: 1 1 240px; min-width: 0; color: var(--muted); font-size: var(--text-sm); line-height: 1.45; overflow-wrap: anywhere; }
    .settings-probe-status[data-tone="success"] { color: var(--success); }
    .settings-probe-status[data-tone="error"] { color: var(--danger); }
    .settings-section-title { grid-column: 1 / -1; margin: var(--space-2) 0 0; padding-top: var(--space-4); border-top: 1px solid var(--border-soft); color: var(--fg); font-weight: 750; }
    .settings-panel .settings-section-title:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
    .settings-switch-field { align-items: start; grid-template-columns: minmax(180px, 1fr) auto; gap: var(--space-2) var(--space-4); padding: var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-lg); background: color-mix(in oklab, var(--surface), var(--bg) 42%); }
    .settings-switch-field > span:first-child { color: var(--fg); font-weight: 700; }
    .settings-switch-copy { color: var(--muted); font-size: var(--text-sm); line-height: 1.45; }
    .settings-toggle-inline { grid-column: 2; grid-row: 1 / span 2; align-self: center; margin: 0; box-shadow: none; }
    .settings-note-inline { grid-column: 1 / -1; margin: -6px 0 0; color: var(--muted); font-size: var(--text-sm); line-height: 1.45; }
    .source-status-list { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
    .source-status-row { min-width: 0; display: grid; gap: var(--space-2); padding: var(--space-3); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: color-mix(in oklab, var(--surface), var(--bg) 35%); transition: border-color var(--motion-fast) var(--ease-standard), background var(--motion-fast) var(--ease-standard); }
    .source-status-row[data-source-enabled="false"] { background: color-mix(in oklab, var(--surface), var(--bg) 55%); }
    .source-status-row[data-access-tone="warning"] { border-color: color-mix(in oklab, var(--warn), var(--border-soft) 64%); }
    .source-status-row[data-access-tone="danger"] { border-color: color-mix(in oklab, var(--danger), var(--border-soft) 58%); }
    .source-status-row[data-access-tone="pending"], .source-row-unsaved { border-color: color-mix(in oklab, #3898ec, var(--border-soft) 54%); background: color-mix(in oklab, var(--surface), #3898ec 6%); }
    .source-status-head { min-width: 0; display: grid; grid-template-columns: minmax(96px, 1fr) auto; align-items: start; gap: var(--space-2); }
    .source-status-head strong { min-width: 0; color: var(--fg); font-weight: 750; line-height: 1.25; overflow-wrap: anywhere; }
    .source-status-badges { min-width: 0; display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 6px; }
    .source-source-badge, .source-access-badge { max-width: 100%; display: inline-flex; align-items: center; min-height: 24px; padding: 2px 8px; border: 1px solid var(--border-soft); border-radius: var(--radius-pill); background: var(--surface); color: var(--fg-2); font-size: 12px; font-weight: 650; line-height: 1.35; overflow-wrap: anywhere; }
    .source-source-badge[data-tone="enabled"], .source-access-badge[data-tone="ready"] { border-color: color-mix(in oklab, var(--success), var(--border-soft) 55%); background: color-mix(in oklab, var(--surface), var(--success) 10%); color: color-mix(in oklab, var(--success), var(--fg) 34%); }
    .source-source-badge[data-tone="disabled"], .source-access-badge[data-tone="public"], .source-source-badge[data-tone="muted"], .source-access-badge[data-tone="muted"] { background: color-mix(in oklab, var(--surface), var(--bg) 52%); color: var(--muted); }
    .source-source-badge[data-tone="pending"], .source-access-badge[data-tone="pending"] { border-color: color-mix(in oklab, #3898ec, var(--border-soft) 45%); background: color-mix(in oklab, var(--surface), #3898ec 10%); color: #246aa6; }
    .source-access-badge[data-tone="warning"] { border-color: color-mix(in oklab, var(--warn), var(--border-soft) 48%); background: color-mix(in oklab, var(--surface), var(--warn) 16%); color: color-mix(in oklab, #8a5a00, var(--fg) 18%); }
    .source-access-badge[data-tone="danger"] { border-color: color-mix(in oklab, var(--danger), var(--border-soft) 48%); background: color-mix(in oklab, var(--surface), var(--danger) 10%); color: var(--danger); }
    .source-status-row .src-detail { margin: 0; color: var(--muted); font-size: var(--text-sm); line-height: 1.45; overflow-wrap: anywhere; }
    .source-credential-list { grid-column: 1 / -1; display: grid; gap: var(--space-2); }
    .source-credential-row { min-width: 0; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: color-mix(in oklab, var(--surface), var(--bg) 42%); overflow: hidden; }
    .source-credential-row summary { cursor: pointer; display: grid; grid-template-columns: minmax(96px, 1fr) auto; align-items: center; gap: var(--space-2); min-width: 0; padding: 10px var(--space-3); color: var(--fg); }
    .source-credential-row summary::-webkit-details-marker { color: var(--meta); }
    .source-credential-row summary strong { min-width: 0; overflow-wrap: anywhere; }
    .source-credential-summary { min-width: 0; color: var(--muted); font-size: 12px; line-height: 1.35; text-align: right; overflow-wrap: anywhere; }
    .source-credential-row[data-available="true"] .source-credential-summary { color: color-mix(in oklab, var(--success), var(--fg) 36%); }
    .source-credential-value { width: calc(100% - 24px); min-height: 92px; margin: 0 var(--space-3) var(--space-3); font-family: var(--font-mono); font-size: 12px; line-height: 1.45; resize: vertical; white-space: pre; }
    .toast { position: fixed; left: 50%; bottom: var(--space-6); translate: -50% 0; z-index: 90; display: none; max-width: min(560px, calc(100% - 32px)); padding: var(--space-3) var(--space-5); border-radius: var(--radius-pill); background: var(--fg); color: var(--surface); box-shadow: var(--elev-raised); }
    .toast.is-open { display: block; }
    .fatal-banner { display: none; margin: var(--space-4) clamp(var(--space-4), 3vw, var(--space-8)) 0; padding: var(--space-3) var(--space-4); border: 1px solid color-mix(in oklab, var(--danger), var(--border-soft) 55%); border-radius: var(--radius-md); background: color-mix(in oklab, var(--danger), var(--surface) 92%); color: var(--fg); }
    .fatal-banner.is-open { display: block; }
    .load-row { display: flex; justify-content: center; margin-top: var(--space-8); }
    .mobile-menu-btn, .mobile-menu, .mobile-back-btn { display: none; }
    .mobile-menu.is-open { position: fixed; inset: 0; z-index: 70; display: block; background: var(--bg); }
    .mobile-menu-panel { height: 100%; overflow: auto; padding: var(--space-5); display: grid; align-content: start; gap: var(--space-4); }
    .mobile-menu-head, .mobile-summary-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
    .mobile-menu-head h2 { font-size: clamp(30px, 8vw, 44px); }
    .mobile-search { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-2); padding: var(--space-2); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--elev-ring); }
    .mobile-search input { min-width: 0; border: 0; background: transparent; padding: 0 var(--space-2); color: var(--fg); }
    .mobile-menu-list { display: grid; gap: var(--space-2); }
    .mobile-menu-item { width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-3); align-items: center; text-align: left; padding: var(--space-4); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); background: var(--surface); color: var(--fg); box-shadow: var(--elev-ring); }
    .mobile-menu-item::after { content: "›"; color: var(--meta); font-size: 24px; line-height: 1; }
    .mobile-menu-item span { font-weight: 750; }
    .mobile-menu-item small { grid-column: 1; color: var(--muted); font-size: var(--text-sm); }
    .mobile-summary-card { display: grid; gap: var(--space-3); padding: var(--space-4); border: 1px solid var(--border); border-radius: 22px; background: var(--surface); box-shadow: var(--elev-ring); }
    .mobile-summary-card h3, .mobile-summary-card p { margin: 0; }
    .mobile-summary-card .profile-chip-row { min-width: 0; padding: var(--space-2); border: 1px solid var(--border); border-radius: var(--radius-md); background: color-mix(in oklab, var(--surface), var(--bg) 42%); }
    .mobile-summary-card .profile-chip-row:empty { display: none; }
    .mobile-summary-card .profile-chip-row .chip { max-width: 100%; white-space: normal; overflow-wrap: anywhere; padding: 3px 7px; font-size: 13px; color: var(--fg-2); background: var(--surface); border-color: var(--border-soft); }
    .mobile-summary-card .activity-list { margin-top: 0; }

    @media (max-width: 1180px) {
      .topbar { grid-template-columns: minmax(180px, auto) minmax(220px, 1fr) auto; }
      .brand-sub, #statusLabel, .gh-star-copy { display: none; }
      .backend-status-pill { width: 38px; padding: 0; justify-content: center; }
      .backend-status-pill .badge-dot { margin-right: 0; }
      .gh-star-left { padding: 0 11px; }
      .gh-star-count { min-width: 38px; padding: 0 9px; }
      .layout { display: block; }
      .main-col { display: grid; }
      .card-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--recommendation-card-min)), var(--recommendation-card-max))); }
    }
    @media (max-width: 820px) {
      body.mobile-menu-open { overflow: hidden; }
      body.side-drawer-open .layout,
      body.side-drawer-open .fatal-banner { transform: none; }
      .side-drawer { display: none; }
      .topbar { grid-template-columns: minmax(0, 1fr) auto; padding: var(--space-3); gap: var(--space-3); }
      .topbar .search, .topbar .nav-actions, .topbar .top-actions, .side-drawer-btn { display: none; }
      .top-left { display: contents; }
      .mobile-menu-btn { display: inline-grid; place-items: center; }
      .mobile-menu-btn svg { width: 20px; height: 20px; stroke-width: 2; }
      .brand { gap: var(--space-2); }
      .brand-mark { width: 38px; height: 38px; }
      .brand-title { font-size: var(--text-lg); }
      .brand-sub { display: none; }
      .layout { display: block; padding: var(--space-4) var(--space-3) var(--section-y-phone); }
      body.chat-page-open { overflow-y: hidden; }
      body.chat-page-open .layout { height: calc(100vh - var(--topbar-height)); padding-block: var(--space-4); overflow: hidden; }
      .hero { display: none; }
      .main-col { display: grid; gap: var(--space-5); }
      .delight { grid-template-columns: 1fr; margin-top: 0; }
      .delight-body { align-items: start; }
      .delight-actions { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
      .delight-main-actions { flex-basis: 212px; grid-template-columns: 116px 88px; }
      .delight-feedback-actions { width: 128px; }
      .settings-grid, .settings-panel, .settings-subpanel, .inline-row { grid-template-columns: 1fr; }
      .source-status-list { grid-template-columns: 1fr; }
      .source-status-head { grid-template-columns: 1fr; }
      .source-status-badges { justify-content: flex-start; }
      .source-credential-row summary { grid-template-columns: 1fr; align-items: start; }
      .source-credential-summary { text-align: left; }
      .card-grid { grid-template-columns: 1fr; }
      .section-head { align-items: stretch; flex-direction: column; margin-top: 0; }
      .recommendation-actions { justify-content: space-between; }
      .drawer, .overlay { z-index: 80; }
      .drawer .scrim, .overlay .scrim { display: none; }
      .drawer-panel, .modal-panel { position: fixed; inset: 0; left: 0; top: 0; translate: none; width: 100%; height: 100%; max-height: none; border-radius: 0; padding: var(--space-5); overflow: auto; }
      .mobile-back-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 34px; width: auto; }
      .drawer-head, .modal-head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; }
      .drawer-head h2, .modal-head h2 { font-size: clamp(28px, 7vw, 40px); }
      .chat-input { grid-template-columns: minmax(0, 1fr) auto; }
      .settings-tabs { overflow-x: auto; grid-template-columns: repeat(6, minmax(92px, 1fr)); }
      .content-page, .profile-page { max-width: 100%; }
      .content-page-head, .profile-page-head { align-items: start; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-5); }
      .chat-page { height: 100%; min-height: 0; grid-template-rows: auto minmax(0, 1fr) auto; }
      .chat-page .chat-log { min-height: 0; }
      #profileDetails, .profile-layer, .profile-item, .profile-domain, .profile-insight, .profile-memory, .speculative-item, .mbti-block { min-width: 0; max-width: 100%; }
      .profile-domain-head, .profile-insight-head, .profile-memory-head, .profile-context-row { align-items: start; }
      .profile-context-row { display: grid; grid-template-columns: 1fr; }
      .profile-context-row > span { white-space: normal; }
      .profile-context-row > strong { text-align: left; }
      .spec-header, .spec-confidence-row { grid-template-columns: minmax(0, 1fr); align-items: start; }
      .spec-status, .spec-progress, .spec-confidence-label, .spec-specific-count, .profile-domain-weight, .profile-confidence, .profile-memory-meta { white-space: normal; }
      .spec-actions { flex-wrap: wrap; }
    }
    @media (max-width: 620px) {
      .delight-actions { flex-wrap: wrap; justify-content: stretch; }
      .delight-main-actions { flex: 1 1 212px; grid-template-columns: minmax(116px, 1fr) 88px; }
      .delight-feedback-actions { flex: 0 0 128px; margin-left: auto; }
      .delight-main-actions .small-btn:last-child { min-width: 0; }
    }
    @media (max-width: 430px) {
      .topbar { padding: var(--space-3); gap: var(--space-3); }
      .layout { padding: var(--space-4) var(--space-3) var(--section-y-phone); }
      body.chat-page-open .layout { padding-block: var(--space-4); }
      .brand-title { font-size: var(--text-lg); }
      .hero { border-radius: 24px; padding: var(--space-5); }
      .delight { padding: 20px; border-radius: 22px; }
      .delight-meta { align-items: center; flex-direction: row; }
      .delight-queue-tools { justify-content: end; margin-left: auto; }
      .delight-actions { flex-direction: row; flex-wrap: nowrap; align-items: center; justify-content: space-between; gap: var(--space-2); }
      .delight-actions.is-composing { gap: 0; }
      .delight-main-actions { order: 2; flex: 1 1 auto; grid-template-columns: minmax(72px, .82fr) minmax(76px, .88fr); gap: 6px; transition: none; }
      .delight-feedback-actions.card-feedback-icons { order: 1; flex: 0 0 auto; width: auto; max-width: none; height: 40px; min-height: 40px; margin-left: 0; align-self: center; justify-content: center; padding: 3px 8px; transition: none; }
      .delight-actions .delight-main-actions .small-btn,
      .delight-actions .delight-main-actions [data-delight="view"],
      .delight-actions .delight-main-actions .comment-field,
      .delight-actions .delight-main-actions .chat-action,
      .delight-actions .delight-feedback-actions.card-feedback-icons { transition: none; }
      .delight-main-actions .small-btn { width: 100%; padding-inline: 10px; }
      .delight-main-actions [data-delight="view"] { padding-inline: 10px; }
      .delight-actions.is-composing .delight-feedback-actions.card-feedback-icons { display: none; }
      .delight-main-actions.is-composing { flex: 1 1 auto; grid-template-columns: minmax(0, 1fr) 38px 38px; align-items: center; min-height: 38px; }
      .delight-main-actions.is-composing .comment-field { grid-column: 1; grid-row: 1; align-self: center; }
      .delight-main-actions.is-composing .comment-field input { height: 38px; }
      .delight-main-actions.is-composing .composer-cancel { display: inline-flex; grid-column: 2; grid-row: 1; width: 38px; min-width: 38px; padding: 0; align-self: center; background: var(--surface); border-color: var(--border-soft); color: var(--fg-2); font-size: 22px; line-height: 1; }
      .delight-main-actions.is-composing .chat-action { grid-column: 3; grid-row: 1; width: 38px; min-width: 38px; align-self: center; }
      .delight-main-actions.is-composing .small-btn { width: auto; min-height: 38px; }
      .metric-row { grid-template-columns: 1fr; }
      .video-card .card-actions.is-composing { grid-template-columns: minmax(0, 1fr) 38px 38px; gap: var(--space-2); }
      .video-card .card-actions.is-composing .composer-cancel { display: inline-flex; grid-column: 2; grid-row: 1; width: 38px; min-width: 38px; padding: 0; background: var(--surface); border-color: var(--border-soft); color: var(--fg-2); font-size: 22px; line-height: 1; }
      .video-card .card-actions.is-composing .chat-action { grid-column: 3; grid-row: 1; }
      .card-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .small-btn { width: 100%; }
      .mobile-back-btn, .mobile-search .pill-btn, .mobile-summary-head .small-btn { width: auto; }
      .delight-feedback-actions .feedback-icon-btn { flex: 0 0 26px; width: 26px; height: 26px; min-height: 26px; }
    }

/* Open Design inspection overrides preserved from the original prototype. */
[data-od-id="path-0-1-0-0-0-1"] { font-size: 30px !important }
[data-od-id="hero"] { font-size: 16px !important }
[data-od-id="path-0-1-0-0-1-1"] { font-size: 20px !important }

/* ── Saved pages (稍后再看 / 收藏) ───────────────────────────── */
/* Count badge hugs its label (was margin-left:auto, which flung it to the far
   right of the 264px nav item and left a big gap after short labels). */
.nav-count-badge { margin-left: 2px; min-width: 18px; height: 18px; padding: 0 5px; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; line-height: 1; border-radius: 9px; background: var(--accent, #c8553d); color: #fff; }
.saved-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--space-4, 16px); }
.saved-page .saved-card { cursor: default; }
.saved-card-actions { display: flex; justify-content: flex-end; }
/* Remove is a secondary action — keep it a quiet ghost button, not the loud
   accent pill that `.video-card .small-btn` defaults to (matches mobile's
   subtle ×). Specificity must beat `.video-card .small-btn`. */
.saved-page .saved-card .saved-remove {
  background: transparent;
  border: 1px solid var(--border-soft);
  color: var(--fg-2);
  box-shadow: none;
}
.saved-page .saved-card .saved-remove:hover {
  border-color: var(--accent, #c8553d);
  color: var(--accent, #c8553d);
  background: color-mix(in oklab, var(--surface), var(--accent, #c8553d) 8%);
}
.saved-page .saved-empty { padding: 64px 24px; text-align: center; color: var(--fg-2); }

/* ── Save toggles in the feedback row (稍后再看 = 时钟 / 收藏 = 星星) ──
   Same SVG icon family as like/dislike/dismiss, shown inline in the action
   row. Active state: watch-later clock turns accent; favorite star fills
   gold. State is driven by aria-pressed (no glyph swapping). */
.watch-later-btn[aria-pressed="true"] { color: var(--accent, #c8553d); }
.favorite-btn[aria-pressed="true"] { color: #e8a33d; }
.favorite-btn[aria-pressed="true"] svg { fill: currentColor; }
.nav-glyph svg { width: 16px; height: 16px; }

/* ── Editable profile (Phase 3, desktop) ── */
.profile-edit-bar { display: flex; justify-content: flex-end; margin-bottom: 14px; }
.profile-edit-note { margin-bottom: 14px; }
.edit-field {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
}
.edit-field-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.edit-field-label { font-size: 14px; font-weight: 700; color: var(--fg); }
.edit-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent), white 82%);
  border-radius: 999px;
  padding: 2px 9px;
}
.edit-chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.edit-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--fg-2);
  background: var(--surface-warm);
}
.edit-chip-remove {
  width: 20px; height: 20px;
  border: 0; border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  color: var(--meta);
  font-size: 12px; line-height: 1; cursor: pointer;
}
.edit-chip-remove:hover { background: color-mix(in oklab, var(--danger), white 78%); color: var(--danger); }
.edit-add-row { display: flex; gap: 8px; }
.edit-add-input {
  flex: 1; min-width: 0;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  color: var(--fg);
  font-size: 14px;
}
.edit-text-input {
  width: 100%; box-sizing: border-box;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-soft);
  background: var(--surface);
  color: var(--fg);
  font-size: 14px; line-height: 1.6;
  resize: vertical;
  margin-bottom: 8px;
}
.edit-drift-hint {
  font-size: 13px;
  color: var(--accent);
  background: color-mix(in oklab, var(--accent), white 86%);
  border-radius: 10px;
  padding: 6px 10px;
  margin-bottom: 8px;
}
.edit-field-actions { display: flex; align-items: center; gap: 12px; }
.edit-reset-btn {
  border: 0; background: transparent;
  color: var(--meta);
  font-size: 13px; text-decoration: underline; cursor: pointer;
}
.edit-reset-btn:hover { color: var(--accent); }
.edit-scalar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.edit-scalar-input { flex: 1; min-width: 0; accent-color: var(--accent); }
.edit-scalar-value {
  min-width: 44px; text-align: right;
  font-size: 13px; font-weight: 700; color: var(--accent);
  font-variant-numeric: tabular-nums;
}